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Krishna Murthy, R.
- Evaluation of Composted Chromolaena and Parthenium as a Plant Nutrient Source on Paddy
Abstract Views :559 |
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Authors
Affiliations
1 Department of Soil Science and Water Management, Zonal Agricultural Research Station, V.C. Farm, mandya (KARNATAKA), IN
1 Department of Soil Science and Water Management, Zonal Agricultural Research Station, V.C. Farm, mandya (KARNATAKA), IN
Source
An Asian Journal of Soil Science, Vol 8, No 2 (2013), Pagination: 255-259Abstract
No AbstractKeywords
Parthenium, Chromolaena, Compost, Nutrient, Productivity
References
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- Sheelavantar, M.N. (1991). Final report 1990-91, Adhoc scheme on use of Sesbania rostrate for nitrogen substitution in rice cultivation. Indian Council of Agricultural Research and University of Agricultural Sciences, DHARWAD (KARNATAKA) INDIA 25 p.
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- Verma, T.S. (1991). Influence of lantana, eupatorium and farm yard manure on paddy crop. Oryza, 28 : 177-183.
- Yield, Nutrient and Water Use Efficiency and Economics of Maize as Influenced by Levels of Irrigation and Fertigation
Abstract Views :266 |
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, AICRP on Dryland Agriculture, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
1 Department of Soil Science and Agricultural Chemistry, AICRP on Dryland Agriculture, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 12, No 1 (2017), Pagination: 181-186Abstract
A field experiment was conducted during Kharif 2015 at Zonal Agricultural Research Station, V.C. Farm, Mandya, Southern Dry Zone of Karnataka to study the growth and yield of maize as influenced by drip fertigation. The experiment was laid out in Randomized Complete Block Design with three replications and eleven treatments comprising two levels of irrigation and four levels of fertilizers, absolute control, package of practice and paired row of spacing 45 x 75 cm. Irrigation @ 100% cumulative pan evaporation+drip fertigation 125% recommended dose fertilizer was found higher kernel yield (7763 kg ha-1) and stover yield (8159 kg ha-1). Higher nitrogen, phosphorus and potassium use efficiency was recorded in irrigation @ 100% cumulative pan evaporation+drip fertigation 75% recommended dose fertilizer (65, 131 and 245 kg kg-1, respectively). Significantly higher water use efficiency was found in irrigation @75% cumulative pan evaporation+drip fertigation 125% recommended dose of fertilizer (132.17 kg ha cm-1) over University of Agricultural Sciences-package (74.18 kg ha cm-1). Higher cost of cultivation was recorded in irrigation @100% cumulative pan evaporation+drip fertigation 125% recommended doses fertilizer (Rs. 37089 ha-1) followed by irrigation @100% cumulative pan evaporation+drip fertigation 100% recommended dose fertilizer (Rs. 35379 ha-1).Keywords
Drip Fertigation, Water Use Efficiency, Nutrient Use Efficiency.References
- Abd El-Rahman, G. (2009). Water use efficiency of wheat under drip irrigation systems at Al-Maghara area, North Sinai, Egypt. American-Eurasian J. Agric. Environ. Sci., 5(5): 664-670.
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- Gururaj, K. (2013). Optimization of water and nutrient requirement through drip fertigation in Aerobic rice. M.Sc. (Ag.) Thesis, University of Agricultural Sciences, Bangalore, KARNATAKA (INDIA).
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- Khanna, Richa (2013). Effect of precision nutrient and water management with different sources and levels of fertilizers on maize production. M.Sc. (Ag.) Thesis, University of Agricultural Sciences, Bengaluru, KARNATAKA (INDIA).
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- Paul Hepperly, Lotter, D., Ziegler Ulsh, C., Seidel, R. and Reider, C. (2009). Compost, manure and synthetic fertilizer influences on crop yields, soil properties, nitrate leaching and crop nutrient content. Compost Sci., 17(3): 80-85.
- Pushpa, K. Devakumar, N. and Krishna Murthy, R. (2010). Water Use Efficiency of Rice Genotypes as Influenced by Methods of Irrigation and Nitrogen Sources, 31 Indian Geographers meet and International Conference on Environment, Agriculture and Food Security in India, February 19-21, 2010 held at P.G. Department of Geography, Bangalore University, Bangalore (KARNATAKA) INDIA.
- Suganya, S., Anitha, A. and Appavu, K. (2007). Moisture and nutrient distribution system under drip fertigation systems. In: Third international ground water conference on Water, environment and agriculture-present problems and future challenge. Adv. Pl. Sci., pp. 512-520.
- Sundrapandiyan, R. (2012). Study on the effect of dripbiogation on the productivity of aerobic rice, M.Sc. (Ag.) Thesis, Tamil Nadu Agricultural University, Coimbatore, T.N. (INDIA).
- Vijaykumar, P. (2009). Optimization of water and nutrient requirement for yield maximization in hybrid rice under drip fertigation system. M.Sc. (Ag.) Thesis, Tamil Nadu Agricultural University, Coimbatore, T.N. (INDIA).
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- Quantification and Toxic Effects of Phenolic Acids on Paddy Seedlings in Paddy Soil
Abstract Views :139 |
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Authors
Affiliations
1 Department of Natural Resource Management, College of Forestry, Ponnampet, S.Coorg (Karnataka), IN
1 Department of Natural Resource Management, College of Forestry, Ponnampet, S.Coorg (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 4, No 2 (2010), Pagination: 241-244Abstract
Laboratory incubation conducted to study the toxic effect of decomposition of Parthenium and Chromolaena and their respective compost under flooded condition. Increasing the level of organic carbon application through different sources increased the water extractable phenols, water insoluble alkali extractable phenols and total extractable phenols. The contents of the three forms of phenols increased from 15th to 45th day of flooding and then decreases. Plant height and ischolar_main length was maximum during sixty days after flooding with the incorporation of organic manures.Keywords
Parthenium, Chromolaena, Phenols, Phytotoxicity, Organic Manure.- Effect of Weeds and their Compost on Microbial Biomass and Nutrient Status Under Waterlogged Condition
Abstract Views :141 |
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Authors
Affiliations
1 Department of Natural Resource Management, College of Forestry, UAS (B), Ponnampet, Kodagu (Karnataka), IN
2 Department of Natural Resource Management, College of Forestry, UAS (B), Ponnampet (Karnataka), IN
1 Department of Natural Resource Management, College of Forestry, UAS (B), Ponnampet, Kodagu (Karnataka), IN
2 Department of Natural Resource Management, College of Forestry, UAS (B), Ponnampet (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 5, No 1 (2010), Pagination: 138-143Abstract
Laboratory incubation experiment was carried out to study the changes in the microbial biomass nitrogen and microbial biomass carbon under waterlogged condition of paddy soil with the use of parthenium and chromolaena as green manure and their compost. Based on the content of total C of plant material organic material applied at the rate of 0.5, 1.0 and 2.0 per cent level of organic carbon. The increase in extractable C and N in Mudigere soil alone was 30.81 mg kg-1, at 60th day of flooding. On 120th day of flooding the EC values of Mudigere soil alone was 32.47 mg kg-1. Similarly with time, the EN values also increased. The highest EC value was recorded in T10: Mudigere soil+Chromolaena compost @ 2.0% C at day 60 and 90 was 112.11 and 153.52 mg kg-1 soil, respectively. The EC: EN ratio in control was 7.91 in Mudigere soil whereas on 120th day of flooding the value was 7. On 120 day, it ranged from 85 to 381 mg kg-1 soil. On 120th day lowest biomass nitrogen (BN) (215 mg kg-1) was recorded in T5:Mudigere soil+Parthenium green manure @ 0.5% C. Increasing the C level resulted in increasing BN and BC, but to different degrees, depending on the native of C sources. Addition of different levels of organic manures to soils showed highly significant changes in nutrient content of soil over control at 60 and 120 days after flooding.Keywords
Microbial Biomass Nitrogen, Microbial Biomass Carbon, Parthenium, Chromolaena.- Effect of Water Logging and Weeds as Green Manures and their Composts and Subsequent Drainage of Paddy Soil on Release of Nitrogen and Phosphorus
Abstract Views :129 |
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Authors
Affiliations
1 Department of Natural Resource Management, College of Forestry, Ponnampet, S.coorg (Karnataka), IN
1 Department of Natural Resource Management, College of Forestry, Ponnampet, S.coorg (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 4, No 2 (2010), Pagination: 275-279Abstract
A laboratory incubation experiment was carried out to study the changes in the ammonical extractable nitrogen and phosphorus under submerged and well drained conditions of paddy soil with the use of Parthenium and Chromolaena as green manure and their compost. Based on the content of total C of plant material organic material applied at the rate of 0.5, 1.0 and 2.0 per cent level of organic carbon. In general NH+ 4-N and brays – P increased with the period of submergence, among different treatments maximum NH+ 4-N (138.67mg/kg) was noticed in T10: Mandya soil + Chromolaena compost @ 2.0 % C whereas least (92.23mg/kg) in T1: Mudigere soil alone and brays –P recorded highest (23.83 mg kg-1) in T10: Mudigere soil + Chromolaena as green manure @2.0% and least (11.84 mg kg-1) in T1:. Mudigere soil alone on 120th day of flooding. Increasing the level of organic carbon application increase the NH+ 4-N and brays –P. Under well drained conditions the ammonical nitrogen contents of all the treatments decreases rapidly and nitrate content increases whereas brays phosphorus also increases.Keywords
Parthenium, Chromolaena, Nitrogen, Phosphorus.- Seed Yield and Oil Yield of Mesta Varieties as Influenced by Spacing and Nutrient Sources
Abstract Views :133 |
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Authors
Affiliations
1 Soil Science and Agricultural Chemistry, Department of Natural Resource Management, College of Forestry, Ponnampet, Kodagu (Karnataka), IN
1 Soil Science and Agricultural Chemistry, Department of Natural Resource Management, College of Forestry, Ponnampet, Kodagu (Karnataka), IN